Question: What is the important event of Edgar Michell at the time of 1971-7-01?
Paraphrase: What important event happened to Edgar Muchell at 1971-07-01?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q295873 p:P793 ?s . ?s ps:P793 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1971')) }